def post_product(self, product_info, product_thumbnail_images, product_options, connection):
        """ [어드민] 셀러 상품 등록
        Author:
            Mark Hasung Kim
        Args:
            product_info (dict): 등록할 상품에대한 정보
            product_thumbnail_images (list)
            product_options (dict): 등록할 상품의 옵션 정보 (product_colors, product_sizes, product_stock)
            connection: 커넥션
        Returns:
            data (새로 등록한 product id를 dict형식으로 반환해준다)
        """
        try:
            seller_dao = SellerDao()

            product_id = seller_dao.create_product(product_info, connection)
            product_info['product_id'] = product_id
            seller_dao.create_product_log(product_info, connection)

            for product_option in product_options:
                product_info['product_color_id'] = product_option['colorId']
                product_info['product_size_id'] = product_option['sizeId']
                product_info['stock'] = product_option['stock']
                product_option_id = seller_dao.create_product_option(product_info, connection)
                product_info['product_option_id'] = product_option_id
                seller_dao.create_product_option_log(product_info, connection)

            for product_thumbnail_image in product_thumbnail_images:
                product_info['image_url'] = product_thumbnail_image
                product_thumbnail_id = seller_dao.create_new_product_thumbnail(product_info, connection)
                product_info['product_thumbnail_id'] = product_thumbnail_id
                seller_dao.create_product_thumbnail_log(product_info, connection)

            data = {'product_id': product_id}

            return data

        except ApiException as e:
            raise e
    def edit_product(
            self,
            product_info,
            product_options,
            delete_product_options,
            product_thumbnail_images,
            delete_product_thumbnails,
            connection
    ):
        """ [어드민] 셀러 상품 수정
        Author:
            Mark Hasung Kim
        Args:
            product_info (dict): 수정할 상품에대한 정보
            product_options (dict): 수정할 상품의 옵션 정보 (product_colors, product_sizes, product_stock)
            delete_product_options (list)
            product_thumbnail_images (list)
            delete_product_thumbnails (list)
            connection: 커넥션
        Returns:
            True (상품이 정상적으로 수정 되었으면 True를 반환해준다)
        """
        try:
            seller_dao = SellerDao()

            seller_dao.update_product(product_info, connection)
            seller_dao.create_product_log(product_info, connection)

            #상품 삭제 요청이 들어올때:
            if product_info.get('is_delete'):
                seller_dao.soft_delete_product(product_info, connection)
                seller_dao.create_product_log(product_info, connection)

            #상품 옵션 추가 요청이 들어올때:
            if product_options:
                for product_option in product_options:
                    product_info['product_color_id'] = product_option['colorId']
                    product_info['product_size_id'] = product_option['sizeId']
                    product_info['stock'] = product_option['stock']
                    product_option_id = seller_dao.create_product_option(product_info, connection)
                    product_info['product_option_id'] = product_option_id
                    seller_dao.create_product_option_log(product_info, connection)

            #상품 옵션 삭제 요청이 들어올떄:
            if delete_product_options:
                for delete_product_option in delete_product_options:
                    product_info['product_option_id'] = delete_product_option
                    check_product_option = seller_dao.check_product_option(product_info, connection)
                    if check_product_option:
                        seller_dao.soft_delete_product_option(product_info, connection)
                        seller_dao.create_product_option_log(product_info, connection)
                    else:
                        raise ApiException(400, PRODUCT_OPTION_DOES_NOT_EXIST)

            #상품 thumbnail이미지 추가 요청이 들어올때:
            if product_thumbnail_images:
                for product_thumbnail_image in product_thumbnail_images:
                    product_info['image_url'] = product_thumbnail_image
                    product_thumbnail_id = seller_dao.create_new_product_thumbnail(product_info, connection)
                    product_info['product_thumbnail_id'] = product_thumbnail_id
                    seller_dao.create_product_thumbnail_log(product_info, connection)

            #상품 thumbnail이미지 삭제 요청이 들어올때:
            if delete_product_thumbnails:
                for delete_product_thumbnail in delete_product_thumbnails:
                    product_info['product_thumbnail_id'] = delete_product_thumbnail
                    check_product_thumbnail = seller_dao.check_product_thumbnail(product_info, connection)
                    if check_product_thumbnail:
                        seller_dao.soft_delete_product_thumbnail(product_info, connection)
                        seller_dao.create_product_thumbnail_log(product_info, connection)
                    else:
                        raise ApiException(400, PRODUCT_THUMBNAIL_DOES_NOT_EXIST)

            return True

        except ApiException as e:
            raise e